The initial stages of some network based installation systems ( such as Solaris Jumpstart, Red Hat Kickstart, Symantec Ghost and Windows NT's Remote Installation Services ) use TFTP to load a basic kernel that performs the actual installation.

Microsoft's Windows NT's native file system, NTFS, supported long file names and did not divide the file name into a name and an extension, but again, the convention of using suffixes to simulate extensions continued, for compatibility with existing versions of Windows.

This was the last version of DOS that IBM and Microsoft shared the full code for, and the DOS that was integrated into OS / 2 2. 0's, and later Windows NT's, virtual DOS machine.

In January 2010, Google security researcher Tavis Ormandy revealed a serious security flaw in Windows NT's VDM implementation that allowed unprivileged users to escalate their privileges to SYSTEM level, noted as applicable to the security of all versions of the Windows NT kernel since 1993.

This led to conflict with another Vice President, Brad Silverberg, who was in charge of the development of Windows 95, the operating system that was aimed at the personal computer market as opposed to Windows NT's business computer market.

VDMSound started as a private project in 1998, in Montreal, its motivating purpose being that of capturing in-game MIDI music through software while taking advantage of Windows NT's 16-bit subsystem virtualization.

The ( A ) LPC interface is part of Windows NT's undocumented Native API, and as such is not available to applications for direct use.

Since Java's bytecode is platform-independent, Java applets can be executed by browsers running under many platforms, including Windows, Unix, Mac OS, and Linux.

Three emulators of the machine exist, ElectrEm for Windows / Linux / Mac OS X, Elkulator for Windows / DOS and the Multi-system emulator MESS.

There is one major uncompressed audio format, PCM, which is usually stored in a. wav file on Windows or in a. aiff file on Mac OS.

Stand-alone official AIM client software includes advertisements and is available for Microsoft Windows, Windows Mobile, Mac OS, Mac OS X, Android, iOS, BlackBerry OS.

By 1995, many of the DOS-based BBSes had begun switching to modern multitasking operating systems, such as OS / 2, Windows 95, and Linux.

EFI booting has been supported in only Microsoft Windows versions supporting GPT, the Linux kernel 2. 6. 1 and later, and Mac OS X on Intel-based Macs.

BeOS was positioned as a multimedia platform which could be used by a substantial population of desktop users and a competitor to Mac OS and Microsoft Windows ( Linux was not relevant as a desktop OS at the time ).

; Allegro Common Lisp: for Microsoft Windows, FreeBSD, Linux, Apple Mac OS X and various UNIX variants.

; LispWorks: for Microsoft Windows, FreeBSD, Linux, Apple Mac OS X and various UNIX variants.

; CLISP: A bytecode-compiling implementation, portable and runs on a number of Unix and Unix-like systems ( including Mac OS X ), as well as Microsoft Windows and several other systems.

As that history implies, CCL was written for the Macintosh, but Clozure CL now runs on Mac OS X, FreeBSD, Linux, Solaris and Windows.

; Procyon Common Lisp: an implementation for Windows and Mac OS, used by Franz for their Windows port of Allegro CL

Some of the more poorly-designed programs can be shut down by killing their processes: for example, in Microsoft Windows through the Windows Task Manager, or in Mac OS X using Force Quit or Activity Monitor.

* Microsoft Silverlight, an implementation for use in web browsers-for Microsoft Windows and Mac OS X.

* On a computer running Microsoft Windows, Mac OS X, or Unix running the X Window System, clicking the secondary mouse button ( usually the right button ) opens a context menu for the region that is under the mouse pointer.

Doom became a " killer app " that all capable consoles and operating systems were expected to have, and versions of Doom have subsequently been released for the following systems: DOS, Microsoft Windows, Linux, Apple Macintosh, Super NES, Sega 32X, Sony PlayStation, Game Boy Advance, iOS, Symbian OS, RISC OS, Atari Jaguar, Sega Saturn, Nintendo 64, Tapwave Zodiac, 3DO, Xbox, and Xbox Live Arcade.

One such program is ProSystem, written in C / C ++ for the Microsoft Windows operating system.

For instance, if a user is designing a Microsoft Windows desktop application, he / she might use the. NET Windows Forms library to design the desktop application and call its APIs like Form1. Close () and Form1. Show () to close or open the application and write the additional operations him / herself that it need to have.

* Enabling International Support in Windows XP / Server 2003 Family, a Microsoft tutorial on how to install input methods on Windows XP.

All terrain tiles, some landscape features, all monsters and objects, and some spell / effect graphics take the form of Windows 3. 1 icons.

" SBCL runs on the platforms CMUCL does, except HP / UX ; in addition, it runs on Linux for AMD64, PowerPC, SPARC, MIPS, Windows x86 and has experimental support for running on Windows AMD64.

* Various utilities are provided for converting between Windows and Unix paths and file formats, for handling line ending ( CRLF / LF ) issues, for displaying the DLLs that an executable is linked with, etc.

The Cygwin / X project contributes an implementation of the X Window System that allows graphical Unix programs to display their user interfaces on the Windows desktop.

For the first three months after announcement the Deskpro 386 shipped with Windows / 386.

* Open Dylan-Host of two open source, optimizing Dylan compilers targeting Unix / Linux, Mac OS X, and Microsoft Windows

Operating systems that supported Alpha included OpenVMS ( previously known as OpenVMS AXP ), Tru64 UNIX ( previously known as DEC OSF / 1 AXP and Digital UNIX ), Windows NT ( until 4. 0 SP6 and Windows 2000 RC1 ), GNU / Linux ( Debian GNU / Linux, Gentoo Linux and Red Hat Linux ), BSD UNIX ( NetBSD, OpenBSD and FreeBSD up to 6. x ), as well as the L4Ka :: Pistachio kernel.

Microsoft first introduced AGP support into Windows 95 OEM Service Release 2 ( OSR2 version 1111 or 950B ) via the USB SUPPLEMENT to OSR2 patch.

This was a version of Windows 2. 1 adapted for the 80386 processor.

Windows 95 did not launch with DirectX, but DirectX was included with Windows 95 OEM Service Release 2 .< ref >

* Installable File System ( IFS ) – a filesystem API for IBM OS / 2 and Microsoft Windows NT

* Rundata 2. 0 for Windows.

Originally developed on IRIX, Freeciv has been ported to many different operating systems: it is distributed with many Linux distributions, offers installers for Microsoft Windows, and has been known to run on Mac OS X, Solaris, Ultrix, QNX, OS / 2, Cygwin, AmigaOS, RISC OS, Maemo, ZETA, SkyOS and various BSDs.

A Microsoft Windows ( 2000 or newer ) port was made available starting with the 2. 2. 0 series.

Support for SNI is available since Firefox 2, Opera 8, Safari 2. 1, Google Chrome 6, and Internet Explorer 7 on Windows Vista.

Modern Windows operating system versions are based on the newer Windows NT kernel that was originally intended for OS / 2.

Microsoft Windows version 2 came out on 9 December 1987, and proved slightly more popular than its predecessor.

Much of the popularity for Windows 2. 0 came by way of its inclusion as a " run-time version " with Microsoft's new graphical applications, Excel and Word for Windows.

Later, two new versions were released: Windows / 286 2. 1 and Windows / 386 2. 1.

Like prior versions of Windows, Windows / 286 2. 1 used the real-mode memory model, but was the first version to support the High Memory Area.

Windows / 386 2. 1 had a protected mode kernel with LIM-standard EMS emulation, the predecessor to XMS which would finally change the topology of IBM PC computing.